How does the melting of ice affect polar bears?, Melting ice reduces the polar bears’ natural habitat. They hunt and live on sea ice, so they can’t survive without ice., What are greenhouse gases, and why are they harmful to the environment?, Greenhouse gases, such as carbon dioxide (CO₂), trap heat in the Earth’s atmosphere. Too many greenhouse gases cause global temperatures to go up, leading to climate change., Why does deforestation lead to higher levels of CO₂ in the atmosphere?, Trees absorb CO₂ and produce oxygen. When trees are cut down, less CO₂ is removed from the atmosphere, so CO₂ levels increase., How could rising sea levels affect people who live on islands?, Rising sea levels can flood low-lying areas and islands. Some islands may even disappear under water, forcing people to move., What actions can individuals take to reduce CO₂ emissions?, Individuals can reduce CO₂ emissions by using renewable energy, saving electricity, using public transport, driving less, and forming environmentally friendly habits in their daily lives..

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